Springfield Digital Indoor Thermometer with Hygrometer This high-tech indoor climate reader measures and displays indoor humidity between 20% and 95%, as well as indoor temperatures along the Fahrenheit or Celsius scales. The memory function allows you to recall minimum/maximum temperature and humidity readings to gauge indoor climate fluctuations. An easel stand with magnet folds out for easy table top, window sill, or refrigerator storage. Discover the most comfortable temperature to set your HVAC unit to with this compact thermometer with hygrometer. Springfield is the trusted name in mountable temperature and timekeeping.